Did you know that CTP3 for ‘Denali’ or SQL Server Version 11 is out?  You can download it for free and play with it here:

Microsoft® SQL Server® code-named 'Denali' - Community Technology Preview 3 (CTP3)  (Build:  11.00.1440.19)
https://www.microsoft.com/betaexperience/pd/SQLDCTP3CTA/enus/